Home / 724,330.20-1,087,370.10-719,081.40

Finding the Fourth Proportional to 724,330.20, 1,087,370.10 and 719,081.40

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Solution

The fourth proportional to 724,330.20, 1,087,370.10 and 719,081.40 is: 1,079,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,330.20 : 1,087,370.10 = 719,081.40 : x
  2. Step 2: Convert to fraction form
    724,330.20/1,087,370.10 = 719,081.40/x
  3. Step 3: Cross multiply
    724,330.20x = 1,087,370.10 × 719,081.40
  4. Step 4: Simplify right side
    724,330.20x = 781,907,613,826.14
  5. Step 5: Solve for x
    x = 781,907,613,826.14/724,330.20
  6. Step 6: Final answer
    x = 1,079,490.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.